[ENH]: bootstrap and tablesorter: various changes to use bootstrap for select dropdowns with shortened height and related formatting improvements for tablesorter pager and filter controls

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53278 b456876b-0849-0410-b77d-98878d47e9d5
use parent instead of self for consistency

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53279 b456876b-0849-0410-b77d-98878d47e9d5
tablesorter: reduce priority of openid column

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@53280 b456876b-0849-0410-b77d-98878d47e9d5